<template>
  <div>
    <el-button size="small" style="margin-bottom: 15px" type="primary" @click="addStu">新增</el-button>
    <el-button size="small" style="margin-bottom: 15px" type="primary" @click="showUploadFile">批量新增</el-button>
    <el-button type="text" @click="test">下载excel模板</el-button>
    <query-box :show-data="showData" :query-type="queryType" @submitData="submitData"></query-box>
    <el-table :data="pageData.records" style="width: 100%">
      <el-table-column label="头像" width="50">
        <template slot-scope="scope">
          <el-avatar shape="square" size="medium" :src="imgUrl + scope.row.avatar"></el-avatar>
        </template>
      </el-table-column>
      <el-table-column label="学号" width="120">
        <template slot-scope="scope">
          <span>{{ scope.row.username }}</span>
        </template>
      </el-table-column>
      <el-table-column label="真实姓名" width="90">
        <template slot-scope="scope">
          <span>{{ scope.row.realName }}</span>
        </template>
      </el-table-column>
      <el-table-column label="邮箱" width="180">
        <template slot-scope="scope">
          <span>{{ scope.row.email }}</span>
        </template>
      </el-table-column>
      <el-table-column label="专业班级" width="90">
        <template slot-scope="scope">
          <span>{{ scope.row.majorClass[0] }}</span>
        </template>
      </el-table-column>
      <el-table-column label="入学日期" width="100">
        <template slot-scope="scope">
          <span>{{ scope.row.stuDay }}</span>
        </template>
      </el-table-column>
      <el-table-column label="宿舍地址" width="90">
        <template slot-scope="scope">
          <span>{{ scope.row.dorm.length === 1 ? '待完善' : scope.row.dorm[1] + scope.row.dorm[2] }}</span>
        </template>
      </el-table-column>
      <el-table-column label="手机号" width="120">
        <template slot-scope="scope">
          <span>{{ scope.row.phoneNum }}</span>
        </template>
      </el-table-column>
      <el-table-column label="身份证号码" width="180">
        <template slot-scope="scope">
          <span>{{ scope.row.idCard }}</span>
        </template>
      </el-table-column>
      <el-table-column label="性别" width="90">
        <template slot-scope="scope">
          <span>{{ scope.row.sex }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="160">
        <template slot-scope="scope">
          <el-button size="mini" @click="editStu(scope.row)">编辑</el-button>
          <el-button size="mini" type="danger" @click="delTea(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination class="pagination" background @current-change="changePage" layout="total,prev, pager, next"
      :page-size="pageData.size" :total="pageData.total">
    </el-pagination>

    <!--完善信息的弹出框-->
    <el-dialog :title="stuTitle" :visible.sync="stuDialog" width="30%">
      <el-form :model="userForm">
        <el-form-item label="姓名" :label-width="formLabelWidth">
          <el-input v-model="userForm.realName" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="学号" :label-width="formLabelWidth">
          <el-input v-model="userForm.username" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="手机号" :label-width="formLabelWidth">
          <el-input v-model="userForm.phoneNum" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="年龄" :label-width="formLabelWidth">
          <el-input v-model="userForm.age" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="性别" :label-width="formLabelWidth">
          <el-input v-model="userForm.sex" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="证件号" :label-width="formLabelWidth">
          <el-input v-model="userForm.idCard" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="宿舍地址" :label-width="formLabelWidth">
          <el-cascader style="width: 80%" v-model="userForm.dorm" :options="dormData"></el-cascader>
        </el-form-item>
        <el-form-item label="入学日期" :label-width="formLabelWidth">
          <el-date-picker style="width: 80%" v-model="userForm.stuDay" type="date" value-format="yyyy-MM-dd"
            placeholder="选择日期">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="专业班级" :label-width="formLabelWidth">
          <el-cascader style="width: 80%" v-model="userForm.majorClass" :options="majorData"></el-cascader>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="stuDialog = false; userForm = {}">取 消</el-button>
        <el-button type="primary" @click="updateStu">确 定</el-button>
      </div>
    </el-dialog>

    <!-- 上传弹窗 -->
    <el-dialog title="文件上传" :visible.sync="uploadDialogVisible">
      <div class="upload-container">
        <el-upload class="upload-demo" drag multiple action="http://localhost:8082/upload/excel" 
          :on-success="handleUploadSuccess" @http-request="handleUploadRequest">
          <i class="el-icon-upload"></i>
          <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
          <div class="el-upload__tip" slot="tip">只能上传.xls/.xlsx文件，且不超过500kb</div>
        </el-upload>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import queryBox from "@/components/queryBox";
export default {
  components: {
    queryBox
  },
  data() {
    return {
      imgUrl: this.$BaseUrl + this.$UserImg,
      userForm: {
        id: '',
        realName: '',
        username: '',
        phoneNum: '',
        age: '',
        sex: '',
        dorm: [],
        idCard: '',
        stuDay: '',
        majorClass: []
      }, //学生信息完善表单
      majorData: [],  //专业班级数据
      dormData: [], //宿舍数据
      formLabelWidth: '90px',
      stuTitle: '',
      stuDialog: false,
      uploadDialogVisible: false,
      stuData: {},
      queryType: 'student',
      showData: {
        username: true,
        realName: true
      },
      pageData: {},
      currentPage: 0,
    }
  },
  created() {
    this.changePage(0);
  },
  computed: {
    headers() {
      return {
        token: `Bearer ${sessionStorage.getItem('token')}`,  // 从 sessionStorage 中获取 token 并添加到请求头中
      };
    }
  },
  methods: {
    async changePage(current) {
      const res = await this.$axios.post('/admin/getUserList', { current: current, userType: 1 })
      if (res.data.code === 200) {
        this.pageData = res.data.data
      }
    },
    async updateStu() {
      const res = await this.$axios.post('/stu/updateStu', this.userForm)
      if (res.data.code === 200) {
        this.stuDialog = false
        this.userForm = {}
        await this.changePage(this.current)
        this.$message.success("信息编辑成功")
      }
    },
    async addStu() {
      this.stuDialog = true
      this.stuTitle = "新增学生"
      //请求专业班级信息
      const res2 = await this.$axios.get('/stu/getMajorClass')
      this.majorData = res2.data.data;
      //请求宿舍信息
      const res3 = await this.$axios.get('/stu/getDorm')
      this.dormData = res3.data.data;
    },
    async editStu(stuData) {
      this.stuDialog = true
      this.stuTitle = "编辑学生"
      let user = stuData
      this.userForm.username = user.username
      this.userForm.realName = user.realName
      this.userForm.id = user.id
      this.userForm.phoneNum = user.phoneNum
      this.userForm.age = user.age
      this.userForm.sex = user.sex
      this.userForm.idCard = user.idCard
      this.userForm.stuDay = user.stuDay === '待完善' ? '' : user.stuDay
      this.userForm.majorClass = [user.major[1], user.majorClass[1]]
      this.userForm.dorm = [0, user.dorm[0]]
      //请求专业班级信息
      const res2 = await this.$axios.get('/stu/getMajorClass')
      this.majorData = res2.data.data;
      //请求宿舍信息
      const res3 = await this.$axios.get('/stu/getDorm')
      this.dormData = res3.data.data;
    },
    submitData(data) {
      this.pageData = data;
    },
    async delTea(teaId) {
      const res = await this.$axios.post('/admin/delTea', { id: teaId })
      if (res.data.code === 200) {
        await this.changePage(this.current)
        this.$message.success("删除成功")
      }
    },
    async editTea() {
      const res = await this.$axios.post('/admin/saveOrUpdateTea', this.stuData)
      if (res.data.code === 200) {
        this.stuDialog = false
        this.stuData = {}
        await this.changePage(this.current)
        this.$message.success("更改成功")
      }
    },
    async cancelEdit() {
      this.stuDialog = false;
      this.stuData = {};
      await this.changePage(this.current)
    },
    showUploadFile() {
      this.uploadDialogVisible = true;
    },

    handleUploadRequest(file) {
      this.uploadFile(file.raw);
    },

    async uploadFile(file) {
      // 创建 FormData 对象
      const formData = new FormData();
      formData.append('file', file);
      const res = await this.$axios.post('/upload/execl', formData)
      if (res.data.code === 200) {
        this.stuDialog = false
        this.$message.success(`批量上传成功，新增学生${res.data.count}`)
      }

      if (res.data.code === -1) {
        this.$message.success("上传失败")
      }
    },
    handleUploadSuccess(response, file, fileList) {
      this.uploadDialogVisible = false
      this.$message.success(`批量上传成功!`)
    },
    test(){
      const link = document.createElement('a');
      link.href = require('@/assets/file/学生信息批量导入.xlsx');
      link.download = '学生信息批量导入模板.xlsx';
      link.target = '_blank';
      document.body.appendChild(link);
      link.click();
      document.body.removeChild(link);
    },
  }
}
</script>

<style>
.pagination {
  margin-top: 15px;
  float: right;
}

.upload-container {
  display: flex;
  justify-content: center;
  align-items: center;
}
</style>
